miércoles, 20 de abril de 2011

Cuckoos Copy Hawks to Scare and Leave Eggs With Reluctant Nanny Warblers

Cuckoo, left.

Hawk, right. Cuckoos have turned into copy cats in order to trick unsuspecting reed warblers into caring for their young. According to a recent study, cuckoos have evolved similar plumage to sparrow hawks, a warbler predator. Read more at BBC Earth News. Heres how it works: The cuckoos show their striped, hawk-like underbellies to the warblers, which flee, thinking they are under attack by sparrow hawks.

http://blogs.discovery.com/animal_news/2011/04/cuckoos-copy-hawks-to-scare-and-leave-eggs-with-reluctant-nanny-warblers.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed: AnimalNewsAnimalPlanet (Animal News:

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